An adjective used to describe and capture the banality of a person that lacks the defining personality traits and characteristics-positive or negative though they may be-that are generally ascribed to and reserved for conventionally compelling, interesting or otherwise engaging human beings.
"The other day Sarah was telling me about her vacation in the Cayman Islands with her family. It was beautiful out, but she opted to stay inside all day and watch reruns of Saved by the Bell: The New Class. Oh my god, she's so magoo."
by Askritch January 20, 2011
 Get the Magoomug.
Get the Magoomug. The physical phenomanon of ones scrotum sticking to the inside of  ones leg.  This often occurs on hot humid days in the summertime.  It can be cured by simply peeling the scrotum off the leg, which, if done properly will result in a pleasant tingle.
by Andrew Feigelis January 15, 2006
 Get the Magoomug.
Get the Magoomug. by Etrain77 October 13, 2011
 Get the Magoomug.
Get the Magoomug. Magoooo!
by doggma082 October 14, 2011
 Get the Magoomug.
Get the Magoomug. A bisexual man that is more atracted to men and likes people to know that he has had sexual relationships with men. It can also be used as a term for a very gay person who is embarrasing.
Man 1 "that Magoo over there just told me about this guy he had sex with last night"
Man 2 "god he is such a magoo isnt he?"
Man 2 "god he is such a magoo isnt he?"
by Worcester fellow December 5, 2007
 Get the Magoomug.
Get the Magoomug. Modern Cockney rhyming slang for going to the toilet. A person would use this term when giong for a crap and wants to inform his colleagues or friends in a uncouth manner.
'Scuse me I'm off for a magoo, be right back.
by Hypnosid April 27, 2010
 Get the Magoomug.
Get the Magoomug. 1. The feeling when you wake up from a long night of drinking.
2. The taste of a REALLY strong drink.
2. The taste of a REALLY strong drink.
As the hung over individual wakes up with a pounding headache and his mouth tasting like a litterbox, he states "Magoo..."
by King Fat Cock (AKA: KFC) August 18, 2009
 Get the Magoomug.
Get the Magoomug.